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公开(公告)号：JP2014093404A
公开(公告)日：2014-05-19
申请号：JP2012242690
申请日：2012-11-02
Inventor： IWAKURA MASAAKI , YAMADA MINORU , KOBAYASHI KAZUMI , FURUICHI TOMOHIRO , KITAJIMA NOBUO
Abstract: PROBLEM TO BE SOLVED: To provide a coil device that protects a core against cracking or the like and has a satisfactory magnetic characteristic when used as a relatively large transformer or the like.SOLUTION: An E core 12 has a middle leg 14 and a base 13 separated by split surfaces 12b, 12b of a separate pair of split cores 12a, 12a such that a pair of side legs 16 is formed in the split cores 12a, 12a, respectively. A predetermined clearance 15 is formed at an interface between the split surfaces 12b, 12b, and the separated middle leg 14 is inserted in a through hole 44a of a bobbin 40.
Abstract translation: 要解决的问题：提供一种线圈装置，其用于保护芯部不受破裂等，并且当用作相对较大的变压器等时具有令人满意的磁特性。解决方案：E型芯12具有中间腿部14和基部 13分开，分开的一对分开的芯12a，12a的分开的表面12b，12b分开，使得一对侧支脚16分别形成在分开的芯12a，12a中。 在分割面12b，12b之间的界面形成有规定的间隙15，将分离的中间支脚14插入线轴40的通孔44a。
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公开(公告)号：JP2014086669A
公开(公告)日：2014-05-12
申请号：JP2012236726
申请日：2012-10-26
Inventor： KOBAYASHI KAZUMI , KITAJIMA NOBUO , YASUDA KATSUHARU
Abstract: PROBLEM TO BE SOLVED: To provide a coil device which facilitates the automatic winding work of a wire, while allowing reduction in the diameter of an electronic pen.SOLUTION: A wire 22 is passed through the first wire passage 12a of a first wire guide 10a and wound, in coil shape, around the outer periphery of a core body 4 located between the first wire guide 10a and a second wire guide 10b, to form a coil part 20. The wire 22 is passed through the second wire passage 12b and locked to the second wire guide 10b. A second lead 22b of the wire 22 is passed through the first wire passage 12a from the second wire passage 12b, and returned back to a second terminal 30b where it is connected with the second terminal 30b.
Abstract translation: 要解决的问题：提供一种有利于线的自动卷绕工作的线圈装置，同时允许电子笔的直径减小。解决方案：线22穿过第一线引导件10a的第一线路12a 并缠绕在位于第一线引导件10a和第二线引导件10b之间的芯体4的外周周围，以形成线圈部20.线22穿过第二线通道12b并锁定 到第二线引导件10b。 线22的第二引线22b从第二线路通道12b穿过第一线路12a，并返回到与第二端子30b连接的第二端子30b。
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公开(公告)号：JP2013080600A
公开(公告)日：2013-05-02
申请号：JP2011219486
申请日：2011-10-03
Inventor： KITAJIMA NOBUO
IPC: F21S2/00 , F21V23/00 , F21V29/00 , F21Y101/02
Abstract: PROBLEM TO BE SOLVED: To provide a bulb type lamp which is excellent in durability and is advantageous for miniaturization.SOLUTION: The bulb type lamp includes an LED board (22) for mounting light-emitting diodes (20), a circuit board (26) for mounting a lighting-up circuit (24) lighting up the light-emitting diodes, and a base (18) for transmitting power to the circuit board by being connected with a socket. The circuit board is arranged by being separated with a heat radiation region (48) between the LED board and the circuit board on a base side against the LED board, and the lighting-up circuit includes a transformer (38) having a driving frequency of 80 kHz or more, and a smoothing capacitor (34) formed of laminated capacitors.
Abstract translation: 要解决的问题：提供耐久性优异并且有利于小型化的灯泡型灯。 解决方案：灯泡型灯包括用于安装发光二极管（20）的LED板（22），用于安装点亮发光二极管的点亮电路（24）的电路板（26） 以及用于通过与插座连接而将功率发送到电路板的基座（18）。 电路板通过与基板侧的LED板和电路板之间的热辐射区域（48）相对于LED板布置而布置，并且点亮电路包括变压器（38），该变压器的驱动频率为 80kHz以上，以及由层叠电容器构成的平滑电容器（34）。 版权所有（C）2013，JPO＆INPIT
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公开(公告)号：JP2011243828A
公开(公告)日：2011-12-01
申请号：JP2010116041
申请日：2010-05-20
Inventor： TOYODA AKIMASA , HONMA TORU , KITAJIMA NOBUO , YAMADA MINORU
Abstract: PROBLEM TO BE SOLVED: To provide a mounting method of electronic components in which poor mounting can be minimized as much as possible.SOLUTION: In a pressure holding step, four hooks 52F, 52G, 52O and 52P of a coil component 1 are pushed into respective through holes by pressing the ribs 53A and 53B of a bobbin 50 of the coil component 1 in the direction of Z-axis by using a pressing jig (not shown). Claws 52H, 52I, 52Q and 52R of the hooks 52F, 52G, 52O and 52P are then projected to the rear face of a mounting substrate by further pressing. Subsequently, the pressing jig is moved in the direction of Z-axis and separated from the bobbin 50. Consequently, the claws 52H, 52I, 52Q and 52R are caught in the rear face of the mounting substrate and latched reliably.
Abstract translation: 要解决的问题：提供尽可能最小化安装性差的电子部件的安装方法。 解决方案：在压力保持步骤中，线圈部件1的四个钩52F，52G，52O和52P通过将线圈部件1的线轴50的肋53A和53B沿方向 的Z轴。 然后通过进一步按压将钩52F，52G，52O和52P的爪52H，52I，52Q和52R突出到安装基板的后表面。 随后，按压夹具沿Z轴方向移动并与线轴50分离。因此，爪52H，52I，52Q和52R卡在安装基板的后表面并可靠地锁定。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2011129776A
公开(公告)日：2011-06-30
申请号：JP2009288129
申请日：2009-12-18
Inventor： ONO MAKOTO , KOBAYASHI KAZUMI , KITAJIMA NOBUO , HATAKEYAMA YUTAKA
Abstract: PROBLEM TO BE SOLVED: To provide a transformer capable of maximally suppressing variations in winding positions of a primary winding and a secondary winding in each section, and achieving good magnetic couplings between the primary and secondary windings and between the secondary windings. SOLUTION: When seen in the axial direction of the roughly cylindrical member 21, a region A1 on a peripheral surface of a roughly cylindrical member 21 in which a second primary winding Np2 constituting a direct upper winding part on the peripheral surface is wound in a third section 21d and a region A2 on the peripheral surface of a roughly cylindrical member 21 in which a sixth secondary winding Ns6 is wound, are alternately arranged. The regions A1 and the A2 are mixed within a second section 21c in an axial direction of the roughly cylindrical member 21. Similarly, the regions A1 and A2 are mixed within sections such as the first section 21b, second section 21c, and fourth section 21e. COPYRIGHT: (C)2011,JPO&INPIT
Abstract translation: 要解决的问题：提供能够最大限度地抑制每个部分中的初级绕组和次级绕组的绕组位置的变化的变压器，并且在初级绕组和次级绕组之间以及次级绕组之间实现良好的磁耦合。 解决方案：当从大致圆筒形部件21的轴向观察时，在大致圆筒形部件21的周面上的区域A1，其中构成外周表面上的直接上部卷绕部分的第二初级绕组Np2被卷绕 在第三部分21d和其中缠绕有第六次级绕组Ns6的大致圆筒形部件21的外周表面上的区域A2交替布置。 区域A1和A2在大致圆筒形构件21的轴向方向上在第二区段21c内混合。类似地，区域A1和A2在诸如第一部分21b，第二部分21c和第四部分21e 。 版权所有（C）2011，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP2011014683A
公开(公告)日：2011-01-20
申请号：JP2009156813
申请日：2009-07-01
Inventor： KOBAYASHI KAZUMI , HATAKEYAMA YUTAKA , KITAJIMA NOBUO
IPC: H01F37/00
Abstract: PROBLEM TO BE SOLVED: To provide a transformer that is automatically wound by a machine and is reduced in height.SOLUTION: A coil component includes a coil 4, a winding core 31 around which the coil 4 is wound, a pair of first protrusions 32 that are positioned on the opposite sides in the diameter direction of the winding core and protrude outward in the radius direction of the winding core from one end in the axis direction of the winding core, a pair of second protrusions 33 that are positioned on the opposite sides in the diameter direction of the winding core and protrude outward in the radius direction of the winding core from the other end in the axis direction of the winding core, a bobbin 3 having terminal electrodes 34 provided in the second protrusions, and a pair of cores 2 positioned on one end and the other end in the axis direction of the bobbin. At least one of the pair of cores 2 is formed with a notch 21 to accept the whole part of the first protrusions 32 or the whole part of the second protrusions 33.
Abstract translation: 要解决的问题：提供一种由机器自动缠绕并降低高度的变压器。解决方案：线圈部件包括线圈4，缠绕线圈4的绕组芯31，一对第一突起32 位于绕组芯的直径方向的相对侧上，并且在卷绕芯的轴线方向上的一端沿卷绕芯的半径方向向外突出;一对第二突起33，位于相反的一侧 在卷绕芯的直径方向的两侧，在卷芯的轴线方向上的另一端从卷绕芯的半径方向向外突出，具有设置在第二突起中的端子电极34的线轴3， 芯2位于线轴的一端，另一端位于线轴的轴线方向。 一对芯体2中的至少一个形成有凹口21，以接纳第一突起32的整个部分或第二突起33的整个部分。
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公开(公告)号：JP2010093107A
公开(公告)日：2010-04-22
申请号：JP2008262654
申请日：2008-10-09
Inventor： YAMAGUCHI KENICHI , KITAJIMA NOBUO
Abstract: PROBLEM TO BE SOLVED: To provide a lateral type coil component in which reliability in connection between a terminal and a printed circuit board is improved by hardly loading a burden to a connecting portion of the terminal and the printed circuit board, a load applied onto the terminal is reduced, stable mounting is enabled, and height precision is made excellent. SOLUTION: Terminal bases 13A, 13B are positioned above E-shaped cores 31A, 31B. An insulating cover 40 overlays a bobbin 10 from the lower side. First and second legs 46, 47 are extended downward, respectively, outside an outer legs 33A, 33B over the upper side of the outer legs 33A, 33B of the E-shaped cores 31A, 31B. Lower end positions of the first and second legs 46, 47 are abutted with a printed circuit board 26 above lower end positions of the E-shaped cores 31A, 31B. A lateral type coil component 100 is mounted by dropping portions lower than the lower end positions of the first and second legs 46, 47 into an opening 28 on the printed circuit board 26. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 要解决的问题：为了提供一种横向型线圈部件，其中端子和印刷电路板之间的连接可靠性通过几乎不承受端子和印刷电路板的连接部分的负担而得到改善，负载 施加到端子上，可以实现稳定的安装，并且高度精度优异。 端子座13A，13B位于E形磁芯31A，31B的上方。 绝缘盖40从下侧覆盖线轴10。 第一和第二腿部46,47分别在E形芯31A，31B的外腿33A，33B的上侧分别向外延伸到外腿部33A，33B的外侧。 第一和第二支腿46,47的下端位置与E型芯31A，31B的下端位置之上的印刷电路板26抵接。 横向型线圈部件100通过将低于第一和第二支腿46,47的下端位置的下降部分安装到印刷电路板26上的开口28中。（C）2010，JPO＆INPIT
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公开(公告)号：JP2013254890A
公开(公告)日：2013-12-19
申请号：JP2012130695
申请日：2012-06-08
Applicant: TDK CORP
Inventor： IWAKURA MASAAKI , KITAJIMA NOBUO , KOBAYASHI KAZUMI , SHINPO SOJI
IPC: H01F38/08
Abstract: PROBLEM TO BE SOLVED: To provide a coil component which is excellent in a withstand voltage characteristic and a high frequency characteristic and excellent in the stabilization of a leakage characteristic.SOLUTION: A coil component 10 has a first bobbin 40 with a first winding part 45 formed on an outer circumference, and a second bobbin 50 with a second winding part 55 formed on an outer circumference. In the first winding part 45, a plurality of partition walls 46 for mutually separating first wires 22 mutually adjacent along a winding axis Z of the first wires 22 are formed along the winding axis at a prescribed interval. Section width w1 along the winding axis Z in each section 47 separated by the partition walls 46 is set to width where only one wire 22 is inserted. The height of the partition walls 46 is set to height where only one wire 22 is inserted. In each partition wall 46, at least one communication groove 46a for mutually communicating respective adjacent sections is formed.
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公开(公告)号：JPS59149131A
公开(公告)日：1984-08-27
申请号：JP2294683
申请日：1983-02-16
Applicant: Tdk Corp
Inventor： MAKINO SHIROU , KITAJIMA NOBUO
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公开(公告)号：JP2000287437A
公开(公告)日：2000-10-13
申请号：JP8498599
申请日：1999-03-26
Applicant: TDK CORP
Inventor： KITAJIMA NOBUO
Abstract: PROBLEM TO BE SOLVED: To provide a switching power supply in a synchronously rectifying method with high power conversion efficiency at lower cost as before. SOLUTION: A synchronously rectifying element is made of an NPN-type transistor 41. A base driving circuit 6 for the NPN-type transistor 41 includes an auxiliary winding 61 joined magnetically with a choke coil 2, a DC blocking capacitor 62 provided between the auxiliary winding 61 and a base of the NPN- type transistor 41, and a reset circuit 63 for the DC blocking capacitor 62. Then, the reset circuit 63 is provided between the base of the NPN-type transistor 41 and one end of a smoothing capacitor 42 on the other side from the NPN-type transistor 41.
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